❤️ 完整开源界面和内核 https://github.com/siyuan-note/siyuan/issues/5013

kernel/util/web.go

@@ -0,0 +1,84 @@
+// SiYuan - Build Your Eternal Digital Garden
+// Copyright (c) 2020-present, b3log.org
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+package util
+
+import (
+	"net"
+	"strings"
+	"time"
+
+	"github.com/88250/gulu"
+	"github.com/88250/melody"
+	"github.com/gin-gonic/gin"
+)
+
+func GetRemoteAddr(session *melody.Session) string {
+	ret := session.Request.Header.Get("X-forwarded-for")
+	ret = strings.TrimSpace(ret)
+	if "" == ret {
+		ret = session.Request.Header.Get("X-Real-IP")
+	}
+	ret = strings.TrimSpace(ret)
+	if "" == ret {
+		return session.Request.RemoteAddr
+	}
+	return strings.Split(ret, ",")[0]
+}
+
+func JsonArg(c *gin.Context, result *gulu.Result) (arg map[string]interface{}, ok bool) {
+	arg = map[string]interface{}{}
+	if err := c.BindJSON(&arg); nil != err {
+		result.Code = -1
+		result.Msg = "parses request failed"
+		return
+	}
+
+	ok = true
+	return
+}
+
+func isPortOpen(port string) bool {
+	timeout := time.Second
+	conn, err := net.DialTimeout("tcp", net.JoinHostPort("127.0.0.1", port), timeout)
+	if nil != err {
+		return false
+	}
+	if nil != conn {
+		conn.Close()
+		return true
+	}
+	return false
+}
+
+func tryToListenPort() bool {
+	listener, err := net.Listen("tcp", "127.0.0.1:"+ServerPort)
+	if nil != err {
+		time.Sleep(time.Second * 3)
+		listener, err = net.Listen("tcp", "127.0.0.1:"+ServerPort)
+		if nil != err {
+			LogErrorf("try to listen port [%s] failed: %s", ServerPort, err)
+			return false
+		}
+	}
+	if err = listener.Close(); nil != err {
+		time.Sleep(time.Second * 1)
+		if err = listener.Close(); nil != err {
+			LogErrorf("close listen port [%s] failed: %s", ServerPort, err)
+		}
+	}
+	return true
+}